86% (1974)

75% (1990)

83% (1979)

75% (1992)

72% (1999)

64% (2021)

73% (1983)

74% (2003)

65% (2001)

62% (2003)

53% (2024)

72% (2000)

67% (2006)

50% (2017)

64% (1994)

68% (2023)

71% (1997)

63% (2006)

55% (2013)

68% (1988)